Shikaku

Shikaku (also known as Rectangles) is a logic puzzle with simple rules and challenging solutions.

The rules are simple. You have to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle.

Click and drag to draw a rectangle. To remove lines use the right mouse button or hold the Ctrl or the Shift key.

Video Tutorial

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This Month
1.	Yuyinraoliang	00:05.98
2.	Yuyinraoliang_1	00:06.01
3.	이동건	00:06.21
4.	MoFan	00:06.64
5.	leedk	00:07.27
6.	yujh	00:07.52
7.	gh	00:08.28
8.	fourtwotwo	00:08.56
9.	qobi	00:08.71
10.	GeorgPfleger	00:09.42
11.	knubbsal	00:09.57
12.	llmt9	00:09.73
13.	sunnifer	00:10.30
14.	G VOLTT	00:10.81
15.	Vasek Dousa	00:11.14
16.	cornstarch	00:11.45
17.	prinsed	00:11.59
18.	sudactylku	00:11.76
19.	lukakaum	00:11.80
20.	geyik	00:13.07

This Week
1.	gh	00:08.28
2.	Vasek Dousa	00:11.14
3.	GeorgPfleger	00:11.21
4.	cornstarch	00:11.45
5.	G VOLTT	00:12.25
6.	Noooo-dle	00:14.10
7.	ashllyn	00:18.76
8.	CLAVDIVS	00:39.64
9.	xMirza	00:58.60
10.	loohcsnuf	01:04.00
11.	thrasymachus	01:15.30
12.	knubbsal	19d 00:18:00.69
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	gh	00:09.60
2.	GeorgPfleger	00:13.26
3.	xMirza	00:58.60
4.	loohcsnuf	01:04.00
5.	thrasymachus	01:15.30
6.	--- empty ---	--:--
7.	--- empty ---	--:--
8.	--- empty ---	--:--
9.	--- empty ---	--:--
10.	--- empty ---	--:--
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

MO3
1.	zahhydude1	00:03.48
2.	vowels	00:03.81
3.	demian2	00:04.66
4.	BingBongBob	00:05.15
5.	nabi	00:05.27
6.	coolcoolguy65	00:05.33
7.	mtanzer	00:05.34
8.	bearn	00:05.38
9.	numbrr	00:05.52
10.	Vicell	00:05.55

AO5
1.	zahhydude1	00:03.76
2.	vowels	00:03.88
3.	demian2	00:04.92
4.	BingBongBob	00:05.39
5.	nabi	00:05.41
6.	bearn	00:05.55
7.	Vicellen	00:05.69
8.	coolcoolguy65	00:06.01
9.	JZE	00:06.09
10.	Vicell	00:06.12

AO12
1.	zahhydude1	00:04.54
2.	vowels	00:04.91
3.	BingBongBob	00:05.84
4.	demian2	00:06.31
5.	bearn	00:06.41
6.	coolcoolguy65	00:06.66
7.	Vicellen	00:06.86
8.	nabi	00:06.91
9.	numbrr	00:07.06
10.	Vicell	00:07.26

Robots / programmatic solvers		info
1.	tlstyer	00:00.009
2.	Charlie Li	00:00.207
3.	emal7716	00:08.519

* MO3 - Mean of 3. The average of 3 consecutive times.
AO5 - Average of 5. The average of 5 consecutive times ignoring the highest and the lowest.
AO12 - Average of 12. The average of 12 consecutive times ignoring the highest and the lowest.
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2024-12-04 23:37:56

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